registering a target event twice caused infinite loop. Same bug as in jtag/core.c...

git-svn-id: svn://svn.berlios.de/openocd/trunk@2690 b42882b7-edfa-0310-969c-e2dbd0fdcd60

diff --git a/src/target/target.c b/src/target/target.c
index 56e124f75f1785b42135469592010ccc52c69221..223a035610afa07ca32017d9cb9f68bb67bd5c26 100644 (file)
--- a/src/target/target.c
+++ b/src/target/target.c
@@ -2,7 +2,7 @@
  *   Copyright (C) 2005 by Dominic Rath                                    *
  *   Dominic.Rath@gmx.de                                                   *
  *                                                                         *
- *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
+ *   Copyright (C) 2007-2009 Øyvind Harboe                                 *
  *   oyvind.harboe@zylin.com                                               *
  *                                                                         *
  *   Copyright (C) 2008, Duane Ellis                                       *
@@ -3547,9 +3547,11 @@ static int target_configure(Jim_GetOptInfo *goi, target_t *target)
                                }
 
                                if (goi->isconfigure) {
+                                       bool replace = true;
                                        if (teap == NULL) {
                                                /* create new */
                                                teap = calloc(1, sizeof(*teap));
+                                               replace = false;
                                        }
                                        teap->event = n->value;
                                        Jim_GetOpt_Obj(goi, &o);
@@ -3569,9 +3571,12 @@ static int target_configure(Jim_GetOptInfo *goi, target_t *target)
                                         */
                                        Jim_IncrRefCount(teap->body);
 
-                                       /* add to head of event list */
-                                       teap->next = target->event_action;
-                                       target->event_action = teap;
+                                       if (!replace)
+                                       {
+                                               /* add to head of event list */
+                                               teap->next = target->event_action;
+                                               target->event_action = teap;
+                                       }
                                        Jim_SetEmptyResult(goi->interp);
                                } else {
                                        /* get */